280160320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 224

約数和(自身を含む): 790041600

約数和(自身を除く): 509881280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 59, 64, 71, 76, 80, 88, 95, 110, 118, 142, 152, 160, 176, 190, 209, 220, 236, 284, 295, 304, 320, 352, 355, 380, 418, 440, 472, 568, 590, 608, 649, 704, 710, 760, 781, 836, 880, 944, 1045, 1121, 1136, 1180, 1216, 1298, 1349, 1420, 1520, 1562, 1672, 1760, 1888, 2090, 2242, 2272, 2360, 2596, 2698, 2840, 3040, 3124, 3245, 3344, 3520, 3776, 3905, 4180, 4189, 4484, 4544, 4720, 5192, 5396, 5605, 5680, 6080, 6248, 6490, 6688, 6745, 7810, 8360, 8378, 8968, 9440, 10384, 10792, 11210, 11360, 12331, 12496, 12980, 13376, 13490, 14839, 15620, 16720, 16756, 17936, 18880, 20768, 20945, 21584, 22420, 22720, 24662, 24992, 25960, 26980, 29678, 31240, 33440, 33512, 35872, 41536, 41890, 43168, 44840, 46079, 49324, 49984, 51920, 53960, 59356, 61655, 62480, 66880, 67024, 71744, 74195, 79591, 83780, 86336, 89680, 92158, 98648, 103840, 107920, 118712, 123310, 124960, 134048, 148390, 159182, 167560, 179360, 184316, 197296, 207680, 215840, 230395, 237424, 246620, 249920, 268096, 296780, 318364, 335120, 358720, 368632, 394592, 397955, 431680, 460790, 474848, 493240, 593560, 636728, 670240, 737264, 789184, 795910, 875501, 921580, 949696, 986480, 1187120, 1273456, 1340480, 1474528, 1591820, 1751002, 1843160, 1972960, 2374240, 2546912, 2949056, 3183640, 3502004, 3686320, 3945920, 4377505, 4748480, 5093824, 6367280, 7004008, 7372640, 8755010, 12734560, 14008016, 14745280, 17510020, 25469120, 28016032, 35020040, 56032064, 70040080, 140080160, 280160320]

約数ペア:

[(1, 280160320), (2, 140080160), (4, 70040080), (5, 56032064), (8, 35020040), (10, 28016032), (11, 25469120), (16, 17510020), (19, 14745280), (20, 14008016), (22, 12734560), (32, 8755010), (38, 7372640), (40, 7004008), (44, 6367280), (55, 5093824), (59, 4748480), (64, 4377505), (71, 3945920), (76, 3686320), (80, 3502004), (88, 3183640), (95, 2949056), (110, 2546912), (118, 2374240), (142, 1972960), (152, 1843160), (160, 1751002), (176, 1591820), (190, 1474528), (209, 1340480), (220, 1273456), (236, 1187120), (284, 986480), (295, 949696), (304, 921580), (320, 875501), (352, 795910), (355, 789184), (380, 737264), (418, 670240), (440, 636728), (472, 593560), (568, 493240), (590, 474848), (608, 460790), (649, 431680), (704, 397955), (710, 394592), (760, 368632), (781, 358720), (836, 335120), (880, 318364), (944, 296780), (1045, 268096), (1121, 249920), (1136, 246620), (1180, 237424), (1216, 230395), (1298, 215840), (1349, 207680), (1420, 197296), (1520, 184316), (1562, 179360), (1672, 167560), (1760, 159182), (1888, 148390), (2090, 134048), (2242, 124960), (2272, 123310), (2360, 118712), (2596, 107920), (2698, 103840), (2840, 98648), (3040, 92158), (3124, 89680), (3245, 86336), (3344, 83780), (3520, 79591), (3776, 74195), (3905, 71744), (4180, 67024), (4189, 66880), (4484, 62480), (4544, 61655), (4720, 59356), (5192, 53960), (5396, 51920), (5605, 49984), (5680, 49324), (6080, 46079), (6248, 44840), (6490, 43168), (6688, 41890), (6745, 41536), (7810, 35872), (8360, 33512), (8378, 33440), (8968, 31240), (9440, 29678), (10384, 26980), (10792, 25960), (11210, 24992), (11360, 24662), (12331, 22720), (12496, 22420), (12980, 21584), (13376, 20945), (13490, 20768), (14839, 18880), (15620, 17936), (16720, 16756)]